\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Issue-by-issue: negative appeals (Study I)}
\begin{tabular}{l*{7}{c}}
\hline\hline
                &\multicolumn{1}{c}{Car drivers}&\multicolumn{1}{c}{Civil servants}&\multicolumn{1}{c}{Criminals}&\multicolumn{1}{c}{Foreigners}&\multicolumn{1}{c}{Muslims}&\multicolumn{1}{c}{Politicians}&\multicolumn{1}{c}{Rich people}\\
\hline
Group appeal    &    -0.22         &    -2.34\sym{***}&     1.81\sym{***}&    -1.55\sym{***}&    -1.12\sym{***}&    -0.10         &    -0.94\sym{***}\\
                &   (0.14)         &   (0.12)         &   (0.12)         &   (0.13)         &   (0.15)         &   (0.12)         &   (0.13)         \\
Group-policy appeal&    -0.17         &    -0.15         &     0.72\sym{***}&    -0.34\sym{*}  &    -0.58\sym{***}&     0.26\sym{*}  &     0.42\sym{**} \\
                &   (0.14)         &   (0.12)         &   (0.12)         &   (0.13)         &   (0.15)         &   (0.12)         &   (0.13)         \\
\_cons          &     5.20\sym{***}&     7.64\sym{***}&     6.56\sym{***}&     6.63\sym{***}&     5.75\sym{***}&     6.91\sym{***}&     7.00\sym{***}\\
                &   (0.10)         &   (0.08)         &   (0.08)         &   (0.09)         &   (0.10)         &   (0.09)         &   (0.09)         \\
\hline
Observations    &     3150         &     3150         &     3150         &     3150         &     3150         &     3150         &     3150         \\
R\textsuperscript{2}&  0.00081         &     0.14         &    0.070         &    0.044         &    0.018         &   0.0029         &    0.036         \\
\hline\hline
\multicolumn{8}{l}{\footnotesize Note: Standard errors in parentheses.}\\
\multicolumn{8}{l}{\footnotesize \sym{*} \(p<0.5\), \sym{**} \(p<0.01\), \sym{***} \(p<0.001\)}\\
\end{tabular}
\end{table}
